Bikone DCTech BB86-92 Oversized - Ceramic Bearings - BB30

Bikone DCTech BB86-92 (⌀41.05mm - Width 86.5 to 92mm) Pressfit Oversized Bottom Bracket with Ceramic Bearings - BB30 (⌀30mm) Compatible

The Bikone DCTech BB86-92 Oversized Bottom Bracket - Ceramic Bearings - BB30 has been specifically designed for frames whose bottom bracket housing has widened over time, a common problem on many Pressfit frames. Thanks to slightly oversized cups (+0.05 mm), this model allows for a precise and secure fit, eliminating any play or unwanted movement.

This case allows you to extend the life of your bike and continue to ride for miles with complete confidence.

Compatibility

This model is only compatible with Pressfit frames that have had their bottom bracket diameter enlarged through use. It fits BB30 bottom brackets (30mm axle) and frames with a width between 86.5mm and 92mm, with a diameter of 41.05mm. For optimal compatibility, MTB bottom brackets should be mounted on MTB frames, and road bottom brackets on road frames.

Box contents

• 1 DCTech BB86-92 Oversized Ceramic bottom bracket for 30mm cranks

This case is supplied without spacers.

Technical characteristics

• Bottom bracket diameter: 30 mm (BB30)
• Frame width: from 86.5 mm to 92 mm
• Frame diameter: 41.05 mm (widened frame)
• Compatibility: Widened Pressfit frame
• Weight: 83 g

Technology and design

Dual Cup technology uses two perfectly aligned aluminum cups to create a rigid central junction, eliminating unwanted noise and lateral movement. The housing incorporates precision hybrid ceramic bearings (ABEC5 / P5 – 2RS) for a smooth and durable pedaling experience.

The cups are machined from 7075 aluminum, a T6-treated aircraft-grade alloy, providing increased strength and excellent longevity. The housing is fully sealed, with axial seals on the bearings and total protection against dust and moisture.

Guarantee

• Lifetime warranty on cups
• 3-year warranty on bearings